What Are Core Web Vitals?
Core Web Vitals currently include three important metrics:
- Largest Contentful Paint (LCP): Measures how quickly the main content becomes visible.
- Interaction to Next Paint (INP): Measures how responsive a page is to user interactions.
- Cumulative Layout Shift (CLS): Measures unexpected layout movement during page loading.
These metrics help identify performance problems that may affect visitors.
Why Core Web Vitals Matter
Improving website performance can help businesses:
- Create a better browsing experience
- Reduce frustrating loading delays
- Improve mobile usability
- Make website interactions smoother
- Support overall website quality
Core Web Vitals are part of Google’s page experience considerations, but good scores do not guarantee higher rankings.
How to Improve LCP
Businesses can improve loading performance by:
- Optimizing large images
- Using modern image formats
- Improving server response times
- Reducing unnecessary scripts
- Using browser caching
- Prioritizing important page content
How to Improve INP
To improve page responsiveness:
- Reduce unnecessary JavaScript execution
- Break up long-running tasks
- Optimize event handlers
- Avoid excessive third-party scripts
- Improve the responsiveness of interactive elements
How to Improve CLS
Prevent unexpected layout shifts by:
- Specifying image dimensions
- Reserving space for advertisements
- Using stable font-loading techniques
- Avoiding unexpected content insertion
- Maintaining consistent page layouts
Measure Website Performance
Use tools such as:
- Google PageSpeed Insights
- Google Search Console
- Lighthouse
- Chrome DevTools
Test both mobile and desktop experiences.
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